OWC SSD Upgrade Kit for 2010 27-inch iMacs, OWC Mercury Electra 2.0TB 6G SSD, 18" SATA III 6Gbps Data Cable, SSD Power Cable, Installation Tools and iMac Screen Adhesive Tape Set : Electronics
Amazon.com: OWC/Other World Computing Internal SSD DIY Kit for Apple 27" iMac 2010 Models : Electronics
Apple iMac Mid 2010 27" Hard Drive + SSD Upgrade Dual Drives - YouTube